This is the Furitek Mini Stellar Transmission and Mini Komodo Brushless Motor. This high quality transmission offers an excellent option for the SCX24 rock crawlers. Constructed using a high quality aluminum case and metal transmission gears the mini Stellar transmission features incredible durability and precision. Paired with the Mini Komodo brushless motor this combo gives you incredible power, throttle control and durability. NOTE: This transmission only works and fits SCX24 Kits, or any truck with SCX24 based Skid plate. This setup requires also a brushless esc, Furitek Lizard v2, Lizard Pro and Lizard Ultimate is highly recommended.